Home / 913,591.90-1,367,435.40-712,825.30

Finding the Fourth Proportional to 913,591.90, 1,367,435.40 and 712,825.30

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Solution

The fourth proportional to 913,591.90, 1,367,435.40 and 712,825.30 is: 1,066,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,591.90 : 1,367,435.40 = 712,825.30 : x
  2. Step 2: Convert to fraction form
    913,591.90/1,367,435.40 = 712,825.30/x
  3. Step 3: Cross multiply
    913,591.90x = 1,367,435.40 × 712,825.30
  4. Step 4: Simplify right side
    913,591.90x = 974,742,549,235.62
  5. Step 5: Solve for x
    x = 974,742,549,235.62/913,591.90
  6. Step 6: Final answer
    x = 1,066,934.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.